Class: Wee::CallbackStream

Inherits:
Object show all
Defined in:
lib/wee/core/callback.rb

Overview

The intersection of registered callbacks and those that occured.

Instance Method Summary collapse

Constructor Details

#initialize(callbacks, ids_and_values) ⇒ CallbackStream

callbacks

A Wee::CallbackRegistry

ids_and_values

A hash that contains all callback ids together with their values that occurend in a request, e.g. { id => value }.



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# File 'lib/wee/core/callback.rb', line 78

def initialize(callbacks, ids_and_values)
  @callbacks = callbacks
  @ids_and_values = ids_and_values
  @ids = @ids_and_values.keys 
end

Instance Method Details

#all_of_type(type) ⇒ Object

Returns a [callback, value] array of all callbacks of type for which an id was given.



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# File 'lib/wee/core/callback.rb', line 95

def all_of_type(type)
  a = [] 
  @callbacks.all_of_type(type).each {|id, callback|
    a << [callback, @ids_and_values[id]]  if @ids_and_values.include?(id)
  }
  return a
end

#with_callbacks_for(object, type) ⇒ Object 



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# File 'lib/wee/core/callback.rb', line 84

def with_callbacks_for(object, type)
  matching_ids = @callbacks.get_ids_for(object, type) & @ids 
  matching_ids.each do |id|
    yield @callbacks.get_callback_for(id, type), @ids_and_values[id] 
  end
  @ids -= matching_ids
end